HairStrandsCore/Public/HairStrandsDatas.h
Hair strands Curves attribute
struct FHairStrandsCurves
uint32
AttributeFlags
Flags for attributes
TArray< FIntVec...
ClumpIDs
Clump ID associated with each curve (optional)
TArray< FIntVec...
CurvesClosestGuideIDs
Custom guide IDs (indexed with StrandID) (optional)
TArray< FVector...
CurvesClosestGuideWeights
Custom guid weights (indexed with StrandID) (optional)
TArray< uint16 ...
CurvesCount
Number of points per rod
TArray< float >
CurvesLength
Normalized length relative to the max one
TArray< uint32 ...
CurvesOffset
An offset represent the rod start in the point list
TArray< FVector...
CurvesRootUV
Roots UV. Support UDIM coordinate up to 256x256 (optional)
TMap< int, int ...
GroomIDToIndex
Mapping of imported Groom ID to index
TArray< int >
StrandIDs
Strand ID associated with each curve (optional)